How scary are these two fighters?
Consider that both combatants, during their tenure under the Ultimate Fighting Championship (UFC) banner, have snapped bones inside the Octagon. Not only do they win in devastating fashion, they often send their respective opponents to the hospital.
For a long, long time.
Mark Hunt -- who is willing to die this weekend "Down Under" -- once punched Stefan Struve so hard it broke "Skyscraper's" jaw (pic). Not to be outdone, Frank Mir took Antonio Rodrigo Nogueira's arm and crushed it like a bag of potato chips.